Table 3 Thyroid function test results in stratified time intervals after the pregnancy among patients diagnosed with postpartum thyroiditis (O905) in the North Denmark Region from 2016 to 2019. Results are illustrated for all patients with available biochemical test results (upper part) and for patients who did not receive treatment with Levothyroxine at the time of biochemical assessment (lower part).
From: Diagnoses of obstetric and postpartum thyroid disease: a Danish validation study
Ref | < 3 months | 3–6 months | 6–9 months | 9–12 months | 12–24 months | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
n | median | 95% CI | n | median | 95% CI | n | median | 95% CI | n | median | 95% CI | n | median | 95% CI | ||
All | ||||||||||||||||
TSH (mIU/L) | 0.3–4.5 | 8 | 0.005 | 0.005–1.9 | 27 | 6.0 | 4.4–12.4 | 35 | 3.2 | 2.0–4.6 | 28 | 2.3 | 1.6–3.1 | 35 | 1.5 | 1.1–2.1 |
Total T3 (nmol/L) | 1.1–2.5 | 6 | 3.1 | 1.7–5.0 | 23 | 1.6 | 1.4–1.7 | 30 | 1.5 | 1.4–1.7 | 23 | 1.6 | 1.4–1.8 | 27 | 1.6 | 1.5–1.6 |
Total T4 (nmol/L) | 60–140 | 6 | 186 | 98–226 | 25 | 69 | 57–83 | 31 | 80 | 76–84 | 22 | 89 | 83–97 | 26 | 94 | 95–104 |
No treatment | ||||||||||||||||
TSH (mIU/L) | 0.3–4.5 | 8 | 0.005 | 0.005–1.9 | 27 | 8.2 | 3.2–23.1 | 24 | 4.4 | 2.2–18.5 | 11 | 3.0 | 1.5–4.9 | 15 | 1.6 | 1.1–2.8 |
Total T3 (nmol/L) | 1.1–2.5 | 6 | 3.1 | 1.7–5.0 | 22 | 1.7 | 1.3–1.8 | 16 | 1.6 | 1.4–2.1 | 7 | 1.6 | 1.2–2.3 | 9 | 1.6 | 1.2–1.8 |
Total T4 (nmol/L) | 60–140 | 6 | 186 | 98–226 | 25 | 57 | 44–83 | 20 | 65 | 54–80 | 7 | 83 | 57–96 | 8 | 93 | 73–108 |